HPCC-9197 Escape content when converting WsECL form to XML

Signed-off-by: Anthony Fishbeck <Anthony.Fishbeck@lexisnexis.com>
HPCC-9208 Correctly catch errors returned by pssh and prevent core

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4315 from ghalliday/issue9208

HPCC-9208 Correctly catch errors returned by pssh and prevent core

Reviewed-By: Attila Vamos <attila.vamos@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>
HPCC-9197 Leave generated xml tag open until attributes have been added

Signed-off-by: Anthony Fishbeck <Anthony.Fishbeck@lexisnexis.com>
Merge pull request #4312 from afishbeck/wseclFormXmlEscape9197

HPCC-9197 Escape content when converting WsECL form to XML

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>
Merge remote-tracking branch 'origin/candidate-3.10.8' into candidate-3.10.x

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>